TreeListColumnCollection.Clear() Method

Removes all elements from the collection.

Namespace: DevExpress.XtraTreeList.Columns

Assembly: DevExpress.XtraTreeList.v23.2.dll

NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.TreeList

Declaration

C#

public void Clear()

VB.NET

Public Sub Clear

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Clear() method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-dashboard-custom-items-extension/CS/CustomItemExtension/CustomItems/GanttItem/GanttItemControlProvider.cs#L96

gantt.DataSource = null;
gantt.Columns.Clear();
gantt.TreeListMappings.KeyFieldName = gantt.TreeListMappings.ParentFieldName = gantt.ChartMappings.TextFieldName

VB.NET

winforms-dashboard-custom-items-extension/VB/CustomItemExtension/CustomItems/GanttItem/GanttItemControlProvider.vb#L91

gantt.DataSource = Nothing
gantt.Columns.Clear()
gantt.ChartMappings.FinishDateFieldName = String.Empty